7112131 has 4 divisors (see below), whose sum is σ = 7659232. Its totient is φ = 6565032.

The previous prime is 7112111. The next prime is 7112153. The reversal of 7112131 is 1312117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312117 = 103 ⋅12739.

It is a cyclic number.

It is not a de Polignac number, because 7112131 - 2⁷ = 7112003 is a prime.

It is a super-2 number, since 2×7112131² = 101164814722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273531 + ... + 273556.

It is an arithmetic number, because the mean of its divisors is an integer number (1914808).

Almost surely, 2^7112131 is an apocalyptic number.

7112131 is a deficient number, since it is larger than the sum of its proper divisors (547101).

7112131 is a wasteful number, since it uses less digits than its factorization.

7112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547100.

The product of its digits is 42, while the sum is 16.

The square root of 7112131 is about 2666.8578889772. The cubic root of 7112131 is about 192.3091356076.

Adding to 7112131 its reverse (1312117), we get a palindrome (8424248).

The spelling of 7112131 in words is "seven million, one hundred twelve thousand, one hundred thirty-one".